A340123 - cp's OEIS frontend

A340123 Odd composite integers m such that A004254(2*m-J(m,21)) == J(m,21) (mod m) and gcd(m,21)=1, where J(m,21) is the Jacobi symbol.

n	a(n)
1	25
2	115
3	125
4	253
5	275
6	391
7	425
8	505
9	527
10	551
11	575
12	625
13	713
14	715
15	775
16	779
17	935
18	1705
19	1807
20	1919
21	2525
22	2627
23	2875
24	2893
25	2929
26	3125
27	3281
28	4033
29	4141
30	5191
31	5555
32	5671
33	5777
34	5983
35	6049
36	6325
37	6479
38	6565
39	6575
40	6875
41	7625
42	7645
43	7739
44	8585
45	8695
46	9361
47	9451
48	9775

[25, 115, 125, 253, 275, 391, 425, 505, 527, 551, 575, 625, 713, 715, 775, 779, 935, 1705, 1807, 1919, 2525, 2627, 2875, 2893, 2929, 3125, 3281, 4033, 4141, 5191, 5555, 5671, 5777, 5983, 6049, 6325, 6479, 6565, 6575, 6875, 7625, 7645, 7739, 8585, 8695, 9361, 9451, 9775]

cp's OEIS Frontend

A340123 Odd composite integers m such that A004254(2*m-J(m,21)) == J(m,21) (mod m) and gcd(m,21)=1, where J(m,21) is the Jacobi symbol.

Table of values

List of values